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History of radio. The early history of radio is the history of technology that produces and uses radio instruments that use radio waves. Within the timeline of radio, many people contributed theory and inventions in what became radio. Radio development began as "wireless telegraphy".
Chas. A. Alicoate, ed. (1957), "Amplitude Modulation Stations - AM: Delaware", Radio Annual and Television Yearbook, New York: Radio Daily Corp., OCLC 10512206 – via Internet Archive "AM Stations in the U.S.: Delaware", Radio Annual Television Year Book, New York: Radio Television Daily, 1963, OCLC 10512375 – via Internet Archive
Radio broadcasting has been used in the United States since the early 1920s to distribute news and entertainment to a national audience. In 1923, 1 percent of U.S. households owned at least one radio receiver, while a majority did by 1931 and 75 percent did by 1937. [1] [2] It was the first electronic "mass medium" technology, and its ...
NPO. Huizen (transmitter), Hilversum (studio), Netherlands. 1927, from 1930 part of Dutch Public radio. AM 160 kHz,1935 transmitter moved to Kootwijk, 1938 also Jaarsveld 722 kHz, today FM network and 747/1251 kHz. Huizen 15 kW, Kootwijk day 15 kW, evening 120 kW, Jaarsveld 20 kW.
Virgin Radio Romania (former Radio 21) Radio 21 Dance. Radio Deea. Radio Guerrilla. Radio Total. Radio Trinitas. theRebel România. Romantic FM. Smart Radio.
Arad (Romanian pronunciation: ⓘ) is the capital city of Arad County, at the edge of Crișana and the Banat. No villages are administred by the city. No villages are administred by the city. It is the third largest city in Western Romania , behind Timișoara and Oradea , and the 12th largest in Romania , with a population of 145,078.
Foxhole radio. A foxhole radio is a makeshift radio that was built by soldiers in World War II for entertainment, to listen to local radio stations using amplitude modulation. [1] [2] They were first reported at the Battle of Anzio, Italy, spreading later across the European and Pacific theaters. The foxhole radio was a crude crystal radio ...
Radio License Holding CBC, LLC: News/Talk WPRO-FM: 92.3 FM: Providence: Radio License Holding CBC, LLC: Top 40 (CHR) WPRV: 790 AM: Providence: Radio License Holding CBC, LLC: Sports (ISN/BetQL) WPVD: 1290 AM: Providence: Rhode Island Public Radio: Silent WQRI: 88.3 FM: Bristol: Roger Williams University: College radio WRIU: 90.3 FM: Kingston ...